Biology ACP Review Questions

Front

Why are muscle cells different from nerve cells?

Back

Muscle and nerve cells have the same DNA (same genes) but different genes are turned on.

Front

What type of mutation is represented by the change from ATTTGAGCC to ATTGAGCC?

Back

Deletion.

Front

What is the role of the cell membrane in the model of human red blood cells using eggs?

Back

The cell membrane allows water to enter and leave the cell.

Front

What is the chance that a baby from two brown-eyed parents (Bb) will have blue eyes?

Back

25%.

Front

Which species is the unknown bacterial species most closely related to?

Back

Species IV.

Front

What is DNA?

Back

DNA (deoxyribonucleic acid) is the molecule that carries the genetic instructions for life.

Front

What is a point mutation?

Back

A point mutation is a change in a single nucleotide in the DNA sequence.

Front

What is the function of the cell membrane?

Back

The cell membrane regulates what enters and leaves the cell, maintaining homeostasis.

Front

What is the difference between genotype and phenotype?

Back

Genotype is the genetic makeup of an organism, while phenotype is the observable characteristics.

Front

What is osmosis?

Back

Osmosis is the movement of water across a semipermeable membrane from an area of low solute concentration to an area of high solute concentration.